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Equations you write a chemical equation, a necessary step is to balance the number of atoms on both sides of the equation. For example, chemistry the homework reaction one molecule of hydrogen H 2 and an atomic form of oxygen O are sufficient to produce a molecule of help H balancing O. Going through the chemical equation, we can conclude that the coefficient in front of H 2 O should be a 6 as it balances all the hydrogens and oxygens out in the equation. The coefficient in front of Hg 3 (PO 4) 2 would be a 1.

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When you balancing a chemical equation, a necessary step equations to balance the number of atoms on both sides of the equation. For example, in the above reaction one molecule homework hydrogen H 2 and an atomic form of oxygen O are sufficient to produce a molecule of water H balancing O. The Law of Conservation of Mass states that matter cannot be created or destroyed. Thus, the mass of substances produced in a chemical reaction is always equal to the mass of reacting substances.